From c7d9e55808f45b30491477a8f8c3e2317a0df151 Mon Sep 17 00:00:00 2001
From: Lukas Matena <lukasmatena@seznam.cz>
Date: Mon, 25 Nov 2024 16:50:14 +0100
Subject: [PATCH] SPE-2587: Hotfix of slow loading of binary gcodes in
 gcodeviewer: caused by calling render way too often directly from the update
 function the fix is nothing nice, but it will have to do for now

---
 src/slic3r/GUI/Plater.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index cb45ef0488..404098efc2 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -4331,7 +4331,13 @@ void Plater::load_gcode(const wxString& filename)
         p->notification_manager->push_download_progress_notification("Loading...", []() { return false; });
         processor.process_file(filename.ToUTF8().data(), [this](float value) {
             p->notification_manager->set_download_progress_percentage(value);
-            p->get_current_canvas3D()->render();
+            static auto clock = std::chrono::steady_clock();
+            static auto old_t = clock.now();
+            auto t = clock.now();
+            if (std::chrono::duration_cast<std::chrono::milliseconds>(t - old_t).count() > 200) {
+                p->get_current_canvas3D()->render();
+                old_t = t;
+            }
         });
     }
     catch (const std::exception& ex)